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Speed of Nepal’s Flash Floods Likely Overwhelmed Warning System, Experts Say

Scientists and disaster response researchers said Nepal’s early flood warning system relied on a conventional network of river gauges in this remote region.

© Ezra Acayan/Getty Images

Damage following flash floods in Trishuli, Nepal.
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Rock Landslide and Glacial Collapse Likely Caused Floods in Nepal and Tibet, Scientists Say

New satellite imagery added to scientists’ understanding of the events that precipitated the deadly flooding in Nepal and Tibet.

© European Union/Copernicus Sentinel-2; USGS/Landsat 9

Satellite images show a glacier before (top) and after it collapsed in Nepal. Its collapse, according to scientists, may have set off deadly flash flooding.
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